PlainFlights

Route · ORD → COS · 2020–2025 BTS data

Chicago to Colorado Springs

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ORD to COS (Chicago to Colorado Springs) ranks #2810 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.5%
On-time
-1.5 pts
vs US avg
65 min
Delay when late
4,234
Flights
#2810 of 4927
Corpus placement

Cancelled

0.7%

Best Month

Apr 2025 88%

Worst Month

Dec 2025 53%

Distance

911 mi

Carriers

10

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 90 42 1 0 OO
Nov 2025 88 25 1 0 OO
Oct 2025 93 31 0 0 OO,UA
Sep 2025 90 12 1 0 UA,OO
Aug 2025 93 19 3 2 OO,UA
Jul 2025 93 37 1 0 OO,UA
Jun 2025 86 30 0 0 OO,UA
May 2025 62 9 0 1 OO,UA
Apr 2025 60 7 1 0 OO
Mar 2025 33 7 0 0 OO
Jan 2025 37 17 0 0 OO
Dec 2024 59 18 0 0 OO
Nov 2024 59 13 0 1 OO
Oct 2024 62 13 0 0 UA,OO
Sep 2024 60 13 0 0 OO,UA
Aug 2024 62 26 0 0 OO,UA
Jul 2024 62 23 0 0 OO,UA
Jun 2024 60 26 0 0 OO
May 2024 41 15 1 0 OO,UA
Apr 2024 30 4 0 0 OO
Mar 2024 31 2 1 0 OO,UA
Jan 2024 39 10 1 0 OO,UA
Dec 2023 61 8 0 3 OO
Nov 2023 59 7 0 0 OO,UA

ORD–COS seasonal on-time pattern

Best: April (87.4%) · weakest: June (62.9%)

60%70%80%90% JanFebMarAprMayJunJulAugSepOctNovDec 73.5%

Strongest calendar month

April

87.4% on-time · ~53 flights/mo

Busiest calendar month

July

~74 flights/mo avg

Weakest calendar month

June

62.9% on-time · ~71 flights/mo

Cancellation Rate

0.7%

11 of 1,510 flights

Diversion Rate

0.5%

7 of 1,510 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

ORD - Chicago

Full on-time, delay-cause, and seasonal performance for Chicago, IL.

ORD on-time profile

COS - Colorado Springs

Full on-time, delay-cause, and seasonal performance for Colorado Springs, CO.

COS on-time profile

Compare the two airports

See ORD and COS side by side on delays, cancellations, and reliability.

Compare ORD vs COS

Origin-hub reliability standing

Mid-pack among ORD departures

From ORD, this corridor sits with 147 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (10 at ≥85%) and not the softest ( 11 below 75%). Destination: Colorado Springs · fleet on-time rank #3974 of 4927.

What the Data Says About ORD to COS

The Chicago to Colorado Springs corridor (ORD to COS) posts a 77.5% on-time rate on the lower edge of the average band, based on 4,234 tracked flights. Late flights run 65.1 minutes behind on average. 10 carriers cover the 911-mile route; over the last 24 months, 11 of 1,510 flights were cancelled (0.7%) and 0.5% diverted.

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 88% on-time, while Dec 2025 came in at just 53% - a 35-point swing worth factoring into travel timing.

On the multi-year calendar, ORD–COS peaks in April at 87.4% on-time while July carries the heaviest traffic (~74 flights per month) ; the softest month is June at 62.9%, a 24.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ORD to COS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ORD to COS ranks #2810 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from ORD to COS? ▼
Flights from Chicago to Colorado Springs have a 77.5% on-time rate based on 4,234 flights. The average delay is 65.1 minutes. The best recent month was Apr 2025 with 88% on-time.
What is the cancellation rate for ORD to COS? ▼
Over the last 24 months, 0.7% of flights on this route were cancelled (11 of 1,510 flights) and 0.5% were diverted.
How far is the flight from ORD to COS? ▼
The flight distance from Chicago (ORD) to Colorado Springs (COS) is approximately 911 miles. This route is served by 10 carriers.
When is the best time to fly from ORD to COS? ▼
The best recent month for on-time performance was Apr 2025 (88% on-time). The worst was Dec 2025 (53% on-time). Consider booking during months with historically better performance.

Airports on this route

ORD Airport

Chicago
COS Airport

Colorado Springs
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using ORD–COS data

ORD–COS is mid-pack at 77.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare ORD and COS airport profiles: delay causes and top routes differ even on the same corridor. ORD airport
  • If your dates flex, April (87.4% on-time) beats June (62.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.